TW448102B - Process for manufacturing a laminate having two or more plies joined in face-to-face relationship, and a laminate made thereby - Google Patents
Process for manufacturing a laminate having two or more plies joined in face-to-face relationship, and a laminate made thereby Download PDFInfo
- Publication number
- TW448102B TW448102B TW87115594A TW87115594A TW448102B TW 448102 B TW448102 B TW 448102B TW 87115594 A TW87115594 A TW 87115594A TW 87115594 A TW87115594 A TW 87115594A TW 448102 B TW448102 B TW 448102B
- Authority
- TW
- Taiwan
- Prior art keywords
- layer
- face
- embossing
- layers
- adhesive
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0707—Embossing by tools working continuously
- B31F2201/0715—The tools being rollers
- B31F2201/0723—Characteristics of the rollers
- B31F2201/0733—Pattern
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0758—Characteristics of the embossed product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0758—Characteristics of the embossed product
- B31F2201/0761—Multi-layered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0784—Auxiliary operations
- B31F2201/0787—Applying adhesive
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1007—Running or continuous length work
- Y10T156/1023—Surface deformation only [e.g., embossing]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31971—Of carbohydrate
- Y10T428/31993—Of paper
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Paper (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Printing Plates And Materials Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/932,854 US6113723A (en) | 1997-09-18 | 1997-09-18 | Process for phased embossing and joining of plural laminae |
Publications (1)
Publication Number | Publication Date |
---|---|
TW448102B true TW448102B (en) | 2001-08-01 |
Family
ID=25463064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW87115594A TW448102B (en) | 1997-09-18 | 1998-09-18 | Process for manufacturing a laminate having two or more plies joined in face-to-face relationship, and a laminate made thereby |
Country Status (19)
Country | Link |
---|---|
US (1) | US6113723A (sl) |
EP (1) | EP1053097A1 (sl) |
JP (1) | JP2001516660A (sl) |
KR (1) | KR100371842B1 (sl) |
CN (1) | CN1091026C (sl) |
AR (1) | AR015452A1 (sl) |
AU (1) | AU8882098A (sl) |
BR (1) | BR9812822A (sl) |
CA (1) | CA2303524C (sl) |
CO (1) | CO5031337A1 (sl) |
HU (1) | HUP0003525A2 (sl) |
ID (1) | ID24115A (sl) |
IL (1) | IL135111A0 (sl) |
NO (1) | NO20001368L (sl) |
PE (1) | PE51099A1 (sl) |
TR (1) | TR200001567T2 (sl) |
TW (1) | TW448102B (sl) |
WO (1) | WO1999014035A1 (sl) |
ZA (1) | ZA988511B (sl) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6261666B1 (en) | 1998-08-14 | 2001-07-17 | Paper Converting Machine Co. | Two-ply paper products with either nested or foot-to-foot embossments and method of making |
CA2394769A1 (en) * | 1999-12-27 | 2001-06-05 | Kimberly-Clark Worldwide, Inc. | Multiple substrate ply attachment utilizing a flexographic printing process to apply chemical adhesives onto tissue |
DE10048206C2 (de) * | 2000-09-28 | 2003-04-30 | Sca Hygiene Prod Gmbh | Verfahren und Vorrichtung zur Herstellung eines gedruckten Tintenmusters auf ein Tissue-Produkt, sowie Tissue-Produkt an sich |
US6602577B1 (en) | 2000-10-03 | 2003-08-05 | The Procter & Gamble Company | Embossed cellulosic fibrous structure |
US6602410B1 (en) | 2000-11-14 | 2003-08-05 | The Procter & Gamble Comapny | Water purifying kits |
US6896768B2 (en) * | 2001-04-27 | 2005-05-24 | Fort James Corporation | Soft bulky multi-ply product and method of making the same |
US20030042195A1 (en) * | 2001-09-04 | 2003-03-06 | Lois Jean Forde-Kohler | Multi-ply filter |
US7805818B2 (en) | 2001-09-05 | 2010-10-05 | The Procter & Gamble Company | Nonwoven loop member for a mechanical fastener |
EP1518025B1 (en) * | 2002-06-19 | 2009-12-02 | Kemira Oyj | Strong and dispersible paper products |
US7153385B2 (en) * | 2002-12-19 | 2006-12-26 | Sca Hygiene Products Ab | Method and device for producing a multi-ply printed web of flexible material, such as paper and nonwoven, and multi-ply material produced by the method |
CN1802248A (zh) | 2003-06-23 | 2006-07-12 | 宝洁公司 | 在可拉伸基质上生产印刷图像和压花图像高度对准的产品的方法 |
WO2005000572A1 (en) * | 2003-06-23 | 2005-01-06 | The Procter & Gamble Company | Rolled substrate products with highly registered printed images and embossment patterns |
US20050247397A1 (en) * | 2003-09-29 | 2005-11-10 | The Procter & Gamble Company | Process for producing embossed products |
US7314663B2 (en) * | 2003-09-29 | 2008-01-01 | The Procter + Gamble Company | Embossed multi-ply fibrous structure product and process for making same |
US7374638B2 (en) * | 2003-09-29 | 2008-05-20 | The Procter & Gamble Company | High bulk strong absorbent single-ply tissue-towel paper product |
US7320821B2 (en) * | 2003-11-03 | 2008-01-22 | The Procter & Gamble Company | Three-dimensional product with dynamic visual impact |
ITFI20040032A1 (it) * | 2004-02-13 | 2004-05-13 | Perini Fabio Spa | Metodo e dispositivo goffratore e laminatore per la produzione di manufatti plurivelo e relativo prodotto |
CN101124363A (zh) * | 2004-02-17 | 2008-02-13 | 宝洁公司 | 深嵌套压花的纸制品 |
US20050224201A1 (en) * | 2004-04-08 | 2005-10-13 | Kimberly-Clark Worldwide, Inc. | Treated crimped multi-ply product |
US20050247416A1 (en) * | 2004-05-06 | 2005-11-10 | Forry Mark E | Patterned fibrous structures |
US7413629B2 (en) * | 2004-05-21 | 2008-08-19 | The Procter & Gamble Company | Process for producing deep-nested embossed paper products |
US7435313B2 (en) * | 2004-05-21 | 2008-10-14 | The Procter & Gamble Company | Process for producing deep-nested embossed paper products |
US7754050B2 (en) * | 2004-06-21 | 2010-07-13 | The Procter + Gamble Company | Fibrous structures comprising a tuft |
ITFI20040188A1 (it) * | 2004-09-06 | 2004-12-06 | Perini Fabio Spa | Prodotto in foglio comprendente almeno due veli uniti per incollaggio con distribuzione non uniforme del collante |
US7524404B2 (en) * | 2005-06-08 | 2009-04-28 | The Procter & Gamble Company | Embossing process including discrete and linear embossing elements |
US7435316B2 (en) * | 2005-06-08 | 2008-10-14 | The Procter & Gamble Company | Embossing process including discrete and linear embossing elements |
US7785696B2 (en) * | 2005-06-08 | 2010-08-31 | The Procter & Gamble Company | Embossed product including discrete and linear embossments |
US7597777B2 (en) * | 2005-09-09 | 2009-10-06 | The Procter & Gamble Company | Process for high engagement embossing on substrate having non-uniform stretch characteristics |
EP1926858A1 (en) * | 2005-09-21 | 2008-06-04 | The Procter and Gamble Company | Absorbent paper product having high definition embossments |
US7744981B2 (en) * | 2006-03-06 | 2010-06-29 | The Procter & Gamble Company | Embossed multi-ply fibrous structure product |
US7744723B2 (en) * | 2006-05-03 | 2010-06-29 | The Procter & Gamble Company | Fibrous structure product with high softness |
US8152959B2 (en) * | 2006-05-25 | 2012-04-10 | The Procter & Gamble Company | Embossed multi-ply fibrous structure product |
US20080022872A1 (en) * | 2006-07-28 | 2008-01-31 | The Procter & Gamble Company | Apparatus for perforating printed or embossed substrates |
ITFI20070048A1 (it) * | 2007-02-27 | 2008-08-28 | Perini Fabio Spa | Gruppo goffratore multi-funzione |
USD618920S1 (en) | 2007-05-02 | 2010-07-06 | The Procter & Gamble Company | Paper product |
ITFI20070163A1 (it) | 2007-07-18 | 2009-01-19 | Perini Fabio Spa | "materiale cartaceo goffrato, metodo e dispositivo per la sua produzione" |
USD632896S1 (en) | 2009-03-10 | 2011-02-22 | The Procter & Gamble Company | Paper product |
USD640473S1 (en) | 2009-03-10 | 2011-06-28 | The Procter & Gamble Company | Paper product |
US20110212299A1 (en) * | 2010-02-26 | 2011-09-01 | Dinah Achola Nyangiro | Fibrous structure product with high wet bulk recovery |
US9458574B2 (en) | 2012-02-10 | 2016-10-04 | The Procter & Gamble Company | Fibrous structures |
US8815054B2 (en) | 2012-10-05 | 2014-08-26 | The Procter & Gamble Company | Methods for making fibrous paper structures utilizing waterborne shape memory polymers |
USD710618S1 (en) | 2013-09-26 | 2014-08-12 | Georgia-Pacific Consumer Products Lp | Paper product |
DE102014107941A1 (de) * | 2014-06-05 | 2015-12-17 | Siggset + Print & Media Ag | Verwendungsverfahren einer Anlage zur Herstellung von Plattenmaterial aus Papier, damit hergestelltes Plattenmaterial sowie Anlage dazu |
US10132042B2 (en) | 2015-03-10 | 2018-11-20 | The Procter & Gamble Company | Fibrous structures |
US10765570B2 (en) | 2014-11-18 | 2020-09-08 | The Procter & Gamble Company | Absorbent articles having distribution materials |
EP3023084B1 (en) | 2014-11-18 | 2020-06-17 | The Procter and Gamble Company | Absorbent article and distribution material |
US10517775B2 (en) | 2014-11-18 | 2019-12-31 | The Procter & Gamble Company | Absorbent articles having distribution materials |
USD792714S1 (en) * | 2015-04-17 | 2017-07-25 | Avintiv Specialty Materials Inc. | Nonwoven fabric |
US11000428B2 (en) | 2016-03-11 | 2021-05-11 | The Procter & Gamble Company | Three-dimensional substrate comprising a tissue layer |
USD824180S1 (en) | 2016-08-04 | 2018-07-31 | Clearwater Paper Corporation | Paper product with embossing pattern |
USD826575S1 (en) * | 2017-09-15 | 2018-08-28 | The Clorox Company | Patterned wipe |
USD925926S1 (en) * | 2017-12-05 | 2021-07-27 | The Glad Products Company | Plastic film with surface pattern for embossing |
CA3064406C (en) | 2018-12-10 | 2023-03-07 | The Procter & Gamble Company | Fibrous structures |
USD905437S1 (en) * | 2018-12-12 | 2020-12-22 | The Procter & Gamble Company | Rolled paper product |
USD905972S1 (en) * | 2018-12-12 | 2020-12-29 | The Procter & Gamble Company | Rolled paper product |
USD912410S1 (en) | 2018-12-12 | 2021-03-09 | The Procter & Gamble Company | Paper sheet |
KR102262870B1 (ko) * | 2020-07-16 | 2021-06-09 | (주)이루모스 | 라인투라인 합지 장치 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE615912C (de) * | 1933-09-17 | 1935-07-15 | Clemens Fa Ludwig | Verfahren und Vorrichtung zur Herstellung von Polsterpapier aus mehreren Papierbahnen |
DE943332C (de) * | 1953-11-11 | 1956-05-17 | Clemens Fa Ludwig | Polsterpapier aus mehreren Papierlagen und Verfahren zu seiner Herstellung |
US3672949A (en) * | 1970-01-12 | 1972-06-27 | Int Paper Co | Adhesively laminated creped tissue product |
US3672950A (en) * | 1970-01-12 | 1972-06-27 | Int Paper Co | Adhesively laminated cellulosic product |
US3673060A (en) * | 1970-01-12 | 1972-06-27 | Int Paper Co | Adhesively laminated creped dinner napkin |
US3708366A (en) * | 1970-11-25 | 1973-01-02 | Kimberly Clark Co | Method of producing absorbent paper toweling material |
US4325773A (en) * | 1979-03-19 | 1982-04-20 | American Can Company | Apparatus for manufacturing fibrous sheet structure |
US4320162A (en) * | 1980-05-15 | 1982-03-16 | American Can Company | Multi-ply fibrous sheet structure and its manufacture |
US4487796A (en) * | 1981-07-02 | 1984-12-11 | Kimberly-Clark Corporation | Laminated, creped tissue and method of manufacture |
FR2672843B1 (fr) * | 1991-02-20 | 1993-04-23 | Kaysersberg Sa | Feuilles de papier multicouches presentant des marquages, procede et dispositif pour leur elaboration. |
US5294475A (en) * | 1992-06-12 | 1994-03-15 | The Procter & Gamble Company | Dual ply cellulosic fibrous structure laminate |
US5747125A (en) * | 1996-07-18 | 1998-05-05 | Viskase Corporation | Fibrous composite cellulosic film and method |
IT1293109B1 (it) * | 1997-05-30 | 1999-02-11 | Perini Fabio Spa | Dispositivo per la goffratura e la laminazione di materiale nastriforme in piu' veli |
-
1997
- 1997-09-18 US US08/932,854 patent/US6113723A/en not_active Expired - Lifetime
-
1998
- 1998-09-17 BR BR9812822A patent/BR9812822A/pt not_active IP Right Cessation
- 1998-09-17 WO PCT/IB1998/001439 patent/WO1999014035A1/en not_active Application Discontinuation
- 1998-09-17 TR TR200001567T patent/TR200001567T2/xx unknown
- 1998-09-17 JP JP2000511627A patent/JP2001516660A/ja active Pending
- 1998-09-17 AU AU88820/98A patent/AU8882098A/en not_active Abandoned
- 1998-09-17 EP EP19980940517 patent/EP1053097A1/en not_active Withdrawn
- 1998-09-17 CN CN98810989A patent/CN1091026C/zh not_active Expired - Fee Related
- 1998-09-17 CA CA 2303524 patent/CA2303524C/en not_active Expired - Lifetime
- 1998-09-17 PE PE00088698A patent/PE51099A1/es not_active Application Discontinuation
- 1998-09-17 ID ID20000723A patent/ID24115A/id unknown
- 1998-09-17 IL IL13511198A patent/IL135111A0/xx unknown
- 1998-09-17 ZA ZA988511A patent/ZA988511B/xx unknown
- 1998-09-17 HU HU0003525A patent/HUP0003525A2/hu unknown
- 1998-09-17 KR KR10-2000-7002867A patent/KR100371842B1/ko not_active IP Right Cessation
- 1998-09-18 TW TW87115594A patent/TW448102B/zh active
- 1998-09-18 AR ARP980104669 patent/AR015452A1/es unknown
- 1998-09-18 CO CO98054068A patent/CO5031337A1/es unknown
-
2000
- 2000-03-16 NO NO20001368A patent/NO20001368L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CO5031337A1 (es) | 2001-04-27 |
IL135111A0 (en) | 2001-05-20 |
AU8882098A (en) | 1999-04-05 |
HUP0003525A2 (hu) | 2001-02-28 |
ZA988511B (en) | 1999-03-18 |
BR9812822A (pt) | 2000-08-08 |
JP2001516660A (ja) | 2001-10-02 |
KR100371842B1 (ko) | 2003-02-12 |
NO20001368D0 (no) | 2000-03-16 |
EP1053097A1 (en) | 2000-11-22 |
AR015452A1 (es) | 2001-05-02 |
CN1278759A (zh) | 2001-01-03 |
PE51099A1 (es) | 1999-06-16 |
WO1999014035A1 (en) | 1999-03-25 |
US6113723A (en) | 2000-09-05 |
NO20001368L (no) | 2000-05-16 |
TR200001567T2 (tr) | 2000-10-23 |
KR20010024111A (ko) | 2001-03-26 |
CN1091026C (zh) | 2002-09-18 |
ID24115A (id) | 2000-07-06 |
CA2303524A1 (en) | 1999-03-25 |
CA2303524C (en) | 2004-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW448102B (en) | Process for manufacturing a laminate having two or more plies joined in face-to-face relationship, and a laminate made thereby | |
TW436424B (en) | Embossed joined laminate | |
KR20010080494A (ko) | 다중 플라이 티슈와, 2개의 플라이를 엠보싱 및 접착시키는 방법 | |
KR20010080495A (ko) | 다중 플라이 티슈와, 2개의 티슈 플라이를 엠보싱 및 접착시키는 방법 | |
PL203359B1 (pl) | Wielowarstwowy wyrób bibułkowy i sposób wytwarzania wielowarstwowego wyrobu bibułkowego | |
JP7097502B2 (ja) | ティッシュ及びその製造方法 | |
MXPA02005155A (es) | Proceso para unir autogenamente laminas de un substrato celulosico de laminas multiples. | |
RU2300463C2 (ru) | Способ и устройство для изготовления многослойного полотна из гибкого материала, такого, как бумага и нетканый материал, и изделие, изготовленное этим способом | |
US6287676B1 (en) | Compound sheets made of absorbent paper | |
JP2010510407A (ja) | 接着式よだれ掛けおよびその製造方法 | |
JP5848178B2 (ja) | キッチンペーパーの製造方法 | |
FI115125B (fi) | Selluloosamassasta tehty laminoitu tuote | |
RU2299811C2 (ru) | Способ и устройство для изготовления многослойного полотна из гибкого материала, такого как бумага и нетканый материал, и многослойный материал, изготовленный этим способом | |
JP2018154957A (ja) | キッチンペーパー及びその製造方法 | |
EP2975177A1 (en) | An absorbent sheet products strip having limited liquid strike-through property | |
EP0684132B2 (en) | Method for manufacturing of a multi-ply tissue paper product | |
EP1321576A1 (en) | A laminated tissue paper and a method of forming it | |
JPH0734703Y2 (ja) | 合紙印刷物 | |
JP7403371B2 (ja) | トイレットロール | |
MXPA05001853A (es) | Metodo para producir una trama de multiples capas de material flexible, tal como papel y material no tejido, y material de multiples capas producido por el metodo. | |
MXPA00002665A (en) | Embossed, joined laminae having an essentially continuous adhesive network and juxtaposed thereon the embossments | |
JPH02123281U (sl) | ||
JPH11227076A (ja) | 貼り合わせ板紙及びその製造方法 | |
JPS62159792U (sl) | ||
CZ2000934A3 (cs) | Laminát |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GD4A | Issue of patent certificate for granted invention patent |